Fix link in docs README (#154)

Signed-off-by: Roman Hros <roman.hros@dnation.cloud>

Author: chess-knight

docs/README.md

@@ -2,7 +2,7 @@
 
 ## Build your own Cluster Stack
 
-Using csctl to build a Cluster Stack requires a certain directory structure. See [here](./preparing_your_clusterstack_directory.md) for more details. 
+Using csctl to build a Cluster Stack requires a certain directory structure. See [here](./getting_started.md) for more details.
 
 ## Building your own plugin
 
@@ -16,4 +16,4 @@ Do you have your Cluster Stack configured already? Is your plugin ready if you n
 
 You want to improve or test `csctl`?
 
-You can find the introduction in [developing and testing csctl](./developing-and-testing-csctl.md)
+You can find the introduction in [developing and testing csctl](./developing-and-testing-csctl.md)